<jsp:useBean> 创建一个Bean实例并指定它的名字和作用范围.


JSP 语法
<jsp:useBean

id="beanInstanceName"

scope="page | request | session | application"

{

|

type="package.class" |

type="package.class" |

beanName="{package.class | <%= expression %>}" type="package.class"

}

{

/> |

> other elements </jsp:useBean>

}

例子

<jsp:useBean id="cart" scope="session" />

<jsp:setProperty name="cart" property="*" />

<jsp:useBean id="checking" scope="session" >

<jsp:setProperty name="checking" property="balance" value="0.0" />

</jsp:useBean>